臭素の同位体
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臭素
標準原子量 : 79.904(1) u
同位体核種
Z(p )
N(n )
同位体質量 (u )半減期
核スピン数
天然存在比
天然存在比
励起エネルギー
67 Br35
32
66.96479(54)#
1/2-#
68 Br35
33
67.95852(38)#
<1.2 µs
3+#
69 Br35
34
68.95011(11)#
<24 ns
1/2-#
70 Br35
35
69.94479(33)#
79.1(8) ms
0+#
70m Br2292.2(8) keV
2.2(2) s
(9+)
71 Br35
36
70.93874(61)
21.4(6) s
(5/2)-
72 Br35
37
71.93664(6)
78.6(24) s
1+
72m Br100.92(3) keV
10.6(3) s
1-
73 Br35
38
72.93169(5)
3.4(2) min
1/2-
74 Br35
39
73.929891(16)
25.4(3) min
(0-)
74m Br13.58(21) keV
46(2) min
4(+#)
75 Br35
40
74.925776(15)
96.7(13) min
3/2-
76 Br35
41
75.924541(10)
16.2(2) h
1-
76m Br102.58(3) keV
1.31(2) s
(4)+
77 Br35
42
76.921379(3)
57.036(6) h
3/2-
77m Br105.86(8) keV
4.28(10) min
9/2+
78 Br35
43
77.921146(4)
6.46(4) min
1+
78m Br180.82(13) keV
119.2(10) µs
(4+)
79 Br35
44
78.9183371(22)
STABLE
3/2-
0.5069(7)
79m Br207.61(9) keV
4.86(4) s
(9/2+)
80 Br35
45
79.9185293(22)
17.68(2) min
1+
80m Br85.843(4) keV
4.4205(8) h
5-
81 Br35
46
80.9162906(21)
STABLE
3/2-
0.4931(7)
81m Br536.20(9) keV
34.6(28) µs
9/2+
82 Br35
47
81.9168041(21)
35.282(7) h
5-
82m Br45.9492(10) keV
6.13(5) min
2-
83 Br35
48
82.915180(5)
2.40(2) h
3/2-
83m Br3068.8(6) keV
700(100) ns
(19/2-)
84 Br35
49
83.916479(16)
31.80(8) min
2-
84m1 Br320(10) keV
6.0(2) min
6-
84m2 Br408.2(4) keV
<140 ns
1+
85 Br35
50
84.915608(21)
2.90(6) min
3/2-
86 Br35
51
85.918798(12)
55.1(4) s
(2-)
87 Br35
52
86.920711(19)
55.65(13) s
3/2-
88 Br35
53
87.92407(4)
16.29(6) s
(2-)
88m Br272.7(3) keV
5.4(7) µs
89 Br35
54
88.92639(6)
4.40(3) s
(3/2-,5/2-)
90 Br35
55
89.93063(8)
1.91(1) s
91 Br35
56
90.93397(8)
541(5) ms
3/2-#
92 Br35
57
91.93926(5)
0.343(15) s
(2-)
93 Br35
58
92.94305(32)#
102(10) ms
3/2-#
94 Br35
59
93.94868(43)#
70(20) ms
95 Br35
60
94.95287(54)#
50# ms [>300 ns]
3/2-#
96 Br35
61
95.95853(75)#
20# ms [>300 ns]
97 Br35
62
96.96280(86)#
10# ms [>300 ns]
3/2-#
Isotope masses from Ame2003 Atomic Mass Evaluation by G. Audi, A.H. Wapstra, C. Thibault, J. Blachot and O. Bersillon in Nuclear Physics A729 (2003).
Isotopic compositions and standard atomic masses from Atomic weights of the elements. Review 2000 (IUPAC Technical Report) . Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and Atomic Weights Revised (2005) .
Half-life, spin, and isomer data selected from these sources. Editing notes on this article's talk page.
Audi, Bersillon, Blachot, Wapstra. The Nubase2003 evaluation of nuclear and decay properties , Nuc. Phys. A 729, pp. 3-128 (2003).
National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database (retrieved Sept. 2005).
David R. Lide (ed.), Norman E. Holden in CRC Handbook of Chemistry and Physics, 85th Edition , online version. CRC Press. Boca Raton, Florida (2005). Section 11, Table of the Isotopes. 
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